package main

import "fmt"

func main() {
	var a bool
	a = true
	fmt.Println("a=", a)

	var b bool = true
	fmt.Println("b=", b)

	c := true
	fmt.Println("c=", c)

	d, e, f := true, false, true

	fmt.Printf("d=%d,e=%d,f=%d\n", d, e, f)
}
